1201159960729 has 2 divisors, whose sum is σ = 1201159960730. Its totient is φ = 1201159960728.

The previous prime is 1201159960699. The next prime is 1201159960753. The reversal of 1201159960729 is 9270699511021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1120888038400 + 80271922329 = 1058720^2 + 283323^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201159960729 - 2¹⁹ = 1201159436441 is a prime.

It is a super-2 number, since 2×1201159960729² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1201159960799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600579980364 + 600579980365.

It is an arithmetic number, because the mean of its divisors is an integer number (600579980365).

Almost surely, 2^{1201159960729} is an apocalyptic number.

It is an amenable number.

1201159960729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201159960729 is an equidigital number, since it uses as much as digits as its factorization.

1201159960729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 52.

The spelling of 1201159960729 in words is "one trillion, two hundred one billion, one hundred fifty-nine million, nine hundred sixty thousand, seven hundred twenty-nine".